User API

Core one-table verbs

Filter	Keep rows that match condition.
Arrange	Sort rows based on one or more columns.
Select, Rename	Keep or rename specific columns.
Mutate, Transmute	Create or replace a column.
Summarize	Calculate a single number per grouping.
Group by	Specify groups for splitting rows of the data.

Other one-table verbs

Distinct	Keep only rows with unique values.
Count	Group by columns and count the number of observations.

Two-table verbs

Joins

Merge two tables using specific columns.

Tidy verbs

Nest	Create a column where each row is a DataFrame.
Gather, Spread	Reshape data between long and wide formats.